text: 'use strict';
  
  var chai = chai || require('chai');
  var bitcore = bitcore || require('../clamcore');
  
  var should = chai.should();
  
  var OpcodeModule = bitcore.Opcode;
  var Opcode;
  
  describe('Opcode', function() {
    it('should initialze the main object', function() {
      should.exist(OpcodeModule);
    });
    it('should be able to create class', function() {
      Opcode = OpcodeModule;
      should.exist(Opcode);
    });
    it('should be able to create instance', function() {
      var oc = new Opcode(81);
      should.exist(oc);
    });
    it('should be able to create some constants', function() {
      should.exist(Opcode.map.OP_VER);
      should.exist(Opcode.map.OP_HASH160);
      should.exist(Opcode.map.OP_RETURN);
      should.exist(Opcode.map.OP_EQUALVERIFY);
      should.exist(Opcode.map.OP_CHECKSIG);
      should.exist(Opcode.map.OP_CHECKMULTISIG);
    });
    it('#asList should work', function() {
      var list = Opcode.asList();
      (typeof(list[0])).should.equal('string');
      list.length.should.equal(116);
    });
  });
  